APA (7e ed.) Bronvermelding

Calasagsag, S. (1997). How sustainable is countryside reforestation? Manila Chronicle.

Chicago (17e ed.) Bronvermelding

Calasagsag, Susan. "How Sustainable Is Countryside Reforestation?" Manila Chronicle 1997.

MLA (9e ed.) Bronvermelding

Calasagsag, Susan. "How Sustainable Is Countryside Reforestation?" Manila Chronicle, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.